15 points, no messing around, please do it right

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values